Skip to content
Sign in
7.4 High

CVE-2022-26071 On F5 BIG-IP 16.1.x versions prior to 16.1.2.2, 15.1.x versions prior to 15.1.5.1, 14.1.x versions prior to 14.1.4.6,…

Description

On F5 BIG-IP 16.1.x versions prior to 16.1.2.2, 15.1.x versions prior to 15.1.5.1, 14.1.x versions prior to 14.1.4.6, 13.1.x versions prior to 13.1.5, and all versions of 12.1.x and 11.6.x, a flaw in the way reply ICMP packets are limited in the Traffic Management Microkernel (TMM) allows an attacker to quickly scan open UDP ports. This flaw allows an off-path remote attacker to effectively bypass source port UDP randomization. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated

Affected products and versions

Product Affected versions Fixed in
BIG-IP 17.0 earliest → < 17.0.0 17.0.0
BIG-IP 16.1 16.1.x → < 16.1.2.2 16.1.2.2
BIG-IP 15.1 15.1.x → < 15.1.5.1 15.1.5.1
BIG-IP 14.1 14.1.x → < 14.1.4.6 14.1.4.6
BIG-IP 13.1 13.1.x → < 13.1.5 13.1.5
BIG-IP 12.1.x No fix stated
BIG-IP 11.6.x No fix stated

Other CVEs of BIG-IP

The 259 CVEs of BIG-IP →
CVE-2026-94127 F5 BIG-IP APM Heap-based Buffer Overflow Vulnerability 9.8 Critical CVE-2026-66842 BIG-IP has a vulnerability where an authenticated user of any role may be able to create administrative user accounts… 8.8 High CVE-2026-63020 A vulnerability exists in an undisclosed BIG-IP Configuration utility page that may allow an attacker to spoof error… 3.1 Low CVE-2026-59762 When an HTTP/2 profile is configured on a virtual server, undisclosed requests can cause an increase in memory… 7.5 High
Track this CVE